Montebrasite and Wavellite Physical Properties

Montebrasite

Wavellite

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Physical Properties

Tenacity

Solubility

insoluble

Durability

Specific Gravity

2.98-3.102.36

1 7.18

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Fracture

Uneven, Conchoidal

Uneven, Subconchoidal, Fibrous

Cleavage

{100} Perfect, {110} Good, {011} Distinct

[110] perfect, [101] good, [010] distinct

Mohs Hardness

5.5-63.5-4

2 10

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Chemical Composition

LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references

Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Montebrasite and Wavellite Chemical Formula

While comparing Montebrasite and Wavellite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Montebrasite and Wavellite chemical formula.

Chemical formula of Montebrasite- LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Wavellite- Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Montebrasite and Wavellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Montebrasite and Wavellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Montebrasite and Wavellite Optical Properties during the identification of gemstone. Specific gravity of Montebrasite is 2.36 whereas that of Wavellite is 2.36.